Copying-machine.



- PATENTBD FEB. 2 6, 1907. D. T. MARSHALL( oPYING MACHINE.- APPLIUATION FILED 00T. 1'7, 1906.

k 3o passed over` the sheets while ,"35l impression ofthe drawing to beitransferred Y saine way copies of desi *340.- 'design' lor picture b sions,for thelike.

I 50 v'manii'iulated in passing the 'pressure-surface UNITED sTArEs PATENT oEEroE" DAVIDE.I MARSHALL, oENEw YORK, N. Y., AssicNoE To NORMAN- MARsEELL, or* NEWTON, inlssAci-IUSETTS.

.r-COPYING- `A 5-New York,- vhaveinvented certain new 4and f useful Improvements in Copying-Machines, j of which the following is a specification.

' 'f The invention relates toa` copying, or trans?.

' .ferring device for use'in making .arfacsinile ro copy of draw1ngs, designs,A pictures, or .the

The device comprises a rotary headlwhich is so supported and drivenv thatit maybe manually manipulated,' and this head'is 'proi 5 vided with a pressure-surface '/which may be passed over and pres-sedkagainstthe surface of the sheetor material to or. from which an y impression is to be taken. The' engagingv surface is of an antifriction .characterand isv zo. `preferably composed' of aseries of rotary de 'vices-such, for instance, as balls-'which will '-`ro ll.overthe'surface-against which ,they are Pressed.' 4 v utilizing the device to transfer a draw- 25' ing or sketch from.- one 'sheet to another, for instance, the sheets are placed face vto face with lthe sur-face'of thev drawing against the surface towhich itis to be-transferred. The" pressuresirface of the rotatin Ahead isithen licing pressed against' them. `VThe"progressive applicationv of pressure to the different par-.ts of the con tacting sheets by the'travehng pressure-surface as it is'inoved over the sheets causes an- ;to the surfacevof the blank sheet. In the or ictureseither' black or colors may e madeupon blank surfacesf pressed against the surface ofthe,v y. the traveling pressure-` "surface of the head. f

, This device may be used advantage and profit inniaking copies of'architectural-` vor machine drawings. :in repeating designs,

v.i5 and, in fact, wherever yit is desired to make 'facsimile copies of drawings;,printed impres- VThe rotary head maybe moiintedlin any suitable carrying device bywhich it may be over the surface of the sheet or" article lto which 'or-from which the impression-iste be l transferred. Inembodying the invention in`v a simple and' eiiicientform of device I prefer,

Specification of4 Application filed October L'LlQI Serial Nh. 38 9,2S8. l'

yieldingfmateriah such asrubber.

MACHINE.

Letters Patent. Patented Feb. 26, 1907.

however,i to Aemploy an electric motor as the 5 5 driving mechanism for the rotary head and to secure the head upon the shaft ofthe motor, the motor being of such a size and character that it may be readily handled .and moved about by the operator. v y oc For the .purpose ofl illustration -I'f have shown in theaccompanying drawings adevice embodying the various features of my invention in the form in which I preflei'fftp use them. v'\ l o In the drawings Figure l is a perspective," view showing-the device and indicating the manner of'its use;A `Fig.. 2 is a full-size sec. tional view taken throughthe axis of vthe rotary head and showing an alining stand 7 mounted ongthehead, and Fig. 3. is a face view of 'therotary head. i

As shown inthe accompanying drawings,

lthe 'rotary'head comprises a flanged col-lar l,

which is secured to the end of the `shaft 2, and 7 5 al disk 3, securedto the flanged endiof the ycolf lary and separated therefrom by a disk 4, of The `face of thedisk 3 isrecessed to form one side 5 of an annular raceway, theother side of vwhich 8o is formed by the periphery of a disk 6, which is securedin therecess in the disk 3.` Within Y ,the Y annular raceway formed between the surface 5 and the periphery of .the disk 6 a series of balls- 7 are' mounted, which project `beyond the face of the disks 3 andv 6 and form i an antifriction pressure-surface. for the head.

The headb is secured-to .the end of the shaft 2 by mea-nsof a set-scr`env 8. `The`shaft 2is the shaft of an electric inotor,.the casing of 9o which is indicated at 9.y 'lhemotor-casing is I provided with a handle 10, ley/which themo- Vtor and attached rotary head maybe handled and manipulated-in using the device.

During the use'- of thed'evce the weight of 95 `the motor andcasing is supported from, the

lroc

simile 1n every 2'5 sired to transfer a part of this-'drawing is indi' cated at B. The'drawing A'is secured'upon a drawing-board or table C, and the sheetBA is placed overthat part of the drawing'wh-l'ch it is desired to copy or transfer to the sheet l upon this pressure surface vthe device is moved lso as to carry the rotating head over the sheet B, bringing the ballsinto'contact with those parts of the sheet B to which it is.

desired to transfer a copy of the drawing on the sheet A. The rapid rolling of the balls' over the surface of the sheet B While pressed against the sheet by tlie weight of Vtheiparts supported on the head causes the transfer-inkor pencildines from`the drawing on the sheetr Ato be transferred to the sheet B. By simply passing the device over the paper once af copy may. be made vwhich is a perfect fac-v detail of the drawing against which'the sheetB is pressed.

During the manipulation of for bythe yieldinvof the disk 4, so'that-the pressure-surface of the head is kept in proper alinement with the surface of the paper B.

' The .proper alineme'nt of the p'ressuresuri .face of the head with 'the surface of the sheet or material over which it is beingpassedm'ay be maintained by providing a guiding'r-frame, such .as indicated at 13 in fig. 2. This guiding-frame-may be in -the form of aime tal" plate v providedwith four. lugs, as indicated Y'at 14,

and niay be supported by means Aof ball-casyters 15 of commonv construction, so-that the' frame will readily' travel in any direction over `the surface toA Which-fthe rotary head is applied. This head is provided with a cylin drical opening fitting the collarfl and-tends to position and maintain the head with the pressure-surface in .theplane of the surface to.

' which the head' is. applied 'and to maintain the meten-shaft at rightangles to this plane..

The weight of the frame also aids in holding the sheet, such assheet B in Fig. 1-, in place.

While itis preferred to employ an electricv motor as the driving mechanism for theretary head and towmount the head directly i upon the motor-shaft and to employ metallic ballsas the pressure-surface, and to arrange' f these balls in themanner indicated, these v v specific -forms and arrangements are n ot es' l 'sential to the broader features ofmy Invention, -and other formszof driving mechanism transferis to be made.

1 I face on the heed. thedevice any varia-tion vin the position ofthe motor-shaft .from the perpendicular will becompensated and other forms and arrangements of rotary` '6o l Yheads andother forms and arrangeme'ntsof rotary devices may be employed.

Without attempting to point out in detail the lvarious forms and arrangements in which vthe features of my` inventlon may bei embodied', what I claim, and desire to secureby LettersPatent, is A y 1. A copying vdevice comprisinga rotary head and an antifriction pressure-surface'carried therebyand adapted to (be passed over, the'surfface of the sheet to'orfrom which the- 2. A copying device com rising ka rotary ries of balls in the raceway and projecting beygyond the faceof the head. Y

3. Acopyingdevlce comprising a rotarydisk, an'annular raceway in the face of the 4.. A copying device comprising ashaft, driving mechanism therefor, a head secured to the shaft and an antifriction .pressure-sur 5 A copying device comprising a shaft, driving mechanism therefor, a head secured to the shaft, a racewayin the -head and a series ofballs in the raceway projecting beyond the surface o fthe'head.- .Y

6; A copying device comprising a motor 9d i adapted for; manualv manipulation, al rotary to be passed over the surface of the sheet to;

head, an annular raceway. t ereinand a sedisk and aseries of balls in the raceway pro'- jecting beyond lthe face of the disk. r

head connected with the motor and provided with an antifrictionpressure-surface adapted adapted for manual manipulation, a rotary head connected with the motor, an annular 'raceway in face ofthe head','ba\lls in the raceway projecting beyond the face ofthe head.

8. A copying device comprising an electric motor adapted for manual manipulation, a

head on. the motorfshaft, an annular raceway i`11 the faceof thehead, 'and a series of balls in theraceway. i

9. A copying device comprising a `motor adapted for manual manipulation, a head onv the motor-shaft comprising 'two parts' separated by an elastic disk, anda series of balls 1.

Ilo

mounted in the head'and projecting beyondv the surface thereof.

. In Witness Whereofl have hereunto` -setniy hand this 8th day ofOcteber, l190'. I 1

` DAVID T. MARSHALL." Inpreseneeof-V 7 Y l EE-L1X ConN,= s

'IRA L. FISH. f. 

